| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1073.99 | USD | 20251208 |
| Dongying Huatai Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1554.46 | USD | 20251208 |
| Dongying Huatai Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1257.7 | USD | 20251208 |
| Dongying Huatai Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1264.77 | USD | 20251208 |